4.9 sec in total
1 sec
3.7 sec
183 ms
Visit seia.co.jp now to see the best up-to-date Seia content for Japan and also check out these interesting facts you probably never knew about seia.co.jp
各種生コンプラントの設計から建設、運転管理、品質管理、運搬までトータルサポート
Visit seia.co.jpWe analyzed Seia.co.jp page load time and found that the first response time was 1 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
seia.co.jp performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value6.7 s
8/100
25%
Value9.3 s
13/100
10%
Value7,520 ms
0/100
30%
Value0
100/100
15%
Value34.7 s
0/100
10%
1011 ms
554 ms
383 ms
381 ms
1222 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that all of those requests were addressed to Seia.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Seia.co.jp.
Page size can be reduced by 88.9 kB (25%)
350.5 kB
261.6 kB
In fact, the total size of Seia.co.jp main page is 350.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 241.8 kB which makes up the majority of the site volume.
Potential reduce by 9.5 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 9.5 kB or 74% of the original size.
Potential reduce by 48 B
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Seia images are well optimized though.
Potential reduce by 73.2 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 73.2 kB or 83% of the original size.
Potential reduce by 6.1 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Seia.co.jp needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 81% of the original size.
Number of requests can be reduced by 5 (11%)
46
41
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
seia.co.jp
1011 ms
style.css
554 ms
menu.css
383 ms
img_hover.js
381 ms
jquery.js
1222 ms
stuHover.js
413 ms
body_bg.jpg
203 ms
logo.gif
192 ms
top_menu1.jpg
380 ms
top_menu2.jpg
199 ms
icon1.gif
187 ms
menu1_on.jpg
207 ms
menu2.jpg
370 ms
listmenu1.jpg
380 ms
listmenu2.jpg
395 ms
listmenu3.jpg
401 ms
listmenu4.jpg
412 ms
listmenu5.jpg
552 ms
listmenu6.jpg
569 ms
listmenu7.jpg
568 ms
menu3.jpg
591 ms
listmenu8.jpg
601 ms
listmenu9.jpg
616 ms
listmenu10.jpg
735 ms
listmenu11.jpg
757 ms
menu7.jpg
757 ms
menu6.jpg
786 ms
news_title.jpg
1002 ms
line.gif
820 ms
icon2.gif
917 ms
o.gif
946 ms
index_list_bg.jpg
1135 ms
listtitle1.jpg
982 ms
listimg1.jpg
1229 ms
listtitle2.jpg
1099 ms
listimg2.jpg
1513 ms
listtitle6.jpg
1178 ms
listimg6.jpg
1400 ms
index_right_title.jpg
1471 ms
index_right_img1.jpg
1703 ms
index_right_txt1b.gif
1375 ms
line2.gif
1412 ms
index_right_img2.jpg
1581 ms
index_right_txt2b.gif
1415 ms
index_right_bottom.jpg
1452 ms
index_right_img3.jpg
1660 ms
foot_logo.gif
1503 ms
seia.co.jp accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
seia.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
seia.co.jp SEO score
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seia.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Seia.co.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
seia.co.jp
Open Graph description is not detected on the main page of Seia. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: